{"product_id":"yokogawa-relay-interface-board-arm55w-000","title":"Yokogawa Relay Interface Board ARM55W-000","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ARM55W-000 is a high-reliability relay interface board for Yokogawa Centum VP and Centum CS 3000 Distributed Control Systems (DCS). It serves as an isolation layer between sensitive I\/O modules and high-power field equipment, allowing safe switching of both inductive and resistive loads. Manufactured in Japan, it provides a secure platform for interposing relays and shields the core system from electrical surges and field-side noise.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Identification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eARM55W-000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-channel Relay Interface Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16-channel configuration (digital output expansion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 cm (L) x 13 cm (W) x 5 cm (H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnit Mass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.6 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompatible with Yokogawa KS-series signal cables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIN-rail or rack-mount compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh galvanic separation between logic circuits and field terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupports standard AC and DC switching voltages\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOperational Utility\u003c\/h3\u003e\n\u003cp\u003eThe ARM55W-000 is vital for creating \"Fail-Safe\" control architectures. By using external relays, individual mechanical relays can be easily replaced without disturbing the I\/O card or internal wiring. Its layout is designed for high-density wiring and features clear terminal labeling, which helps reduce commissioning errors in complex industrial environments.\u003c\/p\u003e\n\u003ch3\u003eFunctional Comparison: ARM55W vs. ARM55D\u003c\/h3\u003e\n\u003cp\u003eThe ARM55W-000 is versatile, designed for standard wiring configurations with screw-terminal blocks. The ARM55D variant may include specialized connector types or diode protection for DC inductive loads. The ARM55W-000 is the preferred option for general-purpose interposing relay applications.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDoes the ARM55W-000 include the actual plug-in relays?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo, the ARM55W-000 is the base board. You need to order the specific relays separately, based on the required coil voltage and contact material.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIs this board compatible with both Digital Input and Digital Output modules?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, while it's primarily used for digital outputs to drive field actuators, it can also be used for isolated digital inputs where high-voltage signals need to be stepped down to dry contacts.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51843961749816,"sku":"ARM55W-000","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/ARM55W-0002.jpg?v=1772243926","url":"https:\/\/www.automodulexpert.com\/products\/yokogawa-relay-interface-board-arm55w-000","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}